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Finding the Fourth Proportional to 451.00, 676.51 and 190.97

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Solution

The fourth proportional to 451.00, 676.51 and 190.97 is: 286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.00 : 676.51 = 190.97 : x
  2. Step 2: Convert to fraction form
    451.00/676.51 = 190.97/x
  3. Step 3: Cross multiply
    451.00x = 676.51 × 190.97
  4. Step 4: Simplify right side
    451.00x = 129,194.23
  5. Step 5: Solve for x
    x = 129,194.23/451.00
  6. Step 6: Final answer
    x = 286.46

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Find fourth proportional to 225.50, 338.26 and 95.49
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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.